667670802474 has 32 divisors (see below), whose sum is σ = 1439502744960. Its totient is φ = 205231090752.

The previous prime is 667670802439. The next prime is 667670802541. The reversal of 667670802474 is 474208076766.

667670802474 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4215054 + ... + 4370585.

It is an arithmetic number, because the mean of its divisors is an integer number (44984460780).

Almost surely, 2^667670802474 is an apocalyptic number.

667670802474 is an abundant number, since it is smaller than the sum of its proper divisors (771831942486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667670802474 is a wasteful number, since it uses less digits than its factorization.

667670802474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586654.

The product of its (nonzero) digits is 18966528, while the sum is 57.

The spelling of 667670802474 in words is "six hundred sixty-seven billion, six hundred seventy million, eight hundred two thousand, four hundred seventy-four".